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fb5a52dbe9
Implement TTM-level behavior for AMDGPU_PL_MMIO_REMAP so it behaves as a CPU-visible IO page: * amdgpu_evict_flags(): mark as unmovable * amdgpu_res_cpu_visible(): consider CPU-visible * amdgpu_bo_move(): use null move when src/dst is MMIO_REMAP * amdgpu_ttm_io_mem_reserve(): program base/is_iomem/caching using the device's mmio_remap_* metadata * amdgpu_ttm_io_mem_pfn(): return PFN for the remapped HDP page * amdgpu_ttm_tt_pde_flags(): set AMDGPU_PTE_SYSTEM for this mem type v2: - Drop HDP-specific comment; keep generic remap (Alex). v3: - Fix indentation in amdgpu_res_cpu_visible (Christian). - Use adev->rmmio_remap.bus_addr for MMIO_REMAP bus/PFN calculations (Alex). v4: - Drop unnecessary (resource_size_t) casts in MMIO_REMAP io-mem paths (Alex) Cc: Christian König <christian.koenig@amd.com> Suggested-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
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| .clang-format | ||
| .clippy.toml | ||
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| .editorconfig | ||
| .get_maintainer.ignore | ||
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.